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Detroit covered up windows while counting votes in 2020. CNN goes behind the scenes to see their plans for 2024

After the 2020 election, chaos erupted at a Detroit counting center as Joe Biden overtook Donald Trump. This year, election officials give CNN exclusive access to see how they’re trying to avoid the mayhem and get faster results. CNN’s Marshall Cohen talks to officials about expedited signature verification for mail ballots, new million-dollar machinery, and regrets over how protests in 2020 were handled.

03:51 - Source: CNN
Politics of the Day 15 videos
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Detroit covered up windows while counting votes in 2020. CNN goes behind the scenes to see their plans for 2024
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Trump dismisses free speech concerns after Kimmel's suspension
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Head of RFK Jr.’s vaccine panel challenges ex-CDC leaders to debate
01:27
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Trump: Putin 'let me down' with Russia-Ukraine situation
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Sen. Rand Paul grills ousted CDC director on vaccine guidance
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U.S. Representative Pramila Jayapal (D-WA) speaks during a House Judiciary Committee hearing with FBI Director Kash Patel (not pictured), on Capitol Hill in Washington, D.C., U.S., September 17, 2025. REUTERS/Annabelle Gordon
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See shouting match after lawmaker accuses Patel of Epstein cover-up
02:18
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Ex-official on CDC losing career leaders
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Ex-CDC director: RFK Jr. required political sign-off on decisions
01:29
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What Kimmel said about Charlie Kirk that yanked his show off air
02:44
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Insults fly in shouting match between Patel and Rep. Eric Swalwell
03:20
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Royals roll out red carpet for Trump
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Deputy AG defends Trump's idea of prosecuting DC protesters
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Federal Bureau of Investigation Director Kash Patel testifies before the House Judiciary Committee in the Rayburn House Office Building on September 17, 2025 in Washington, DC. Patel is facing questions from lawmakers for the second straight day following a contentious hearing before the Senate Judiciary Committee where he was criticized for his handling of investigations into the assassination of political activist Charlie Kirk and the case related to convicted sex offender Jeffrey Epstein. (Photo by Win McNamee/Getty Images)
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‘You’re not keeping your word’: House Dems grill Patel over past Epstein statements
02:55
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Today’s Fed meeting includes newly confirmed Stephen Miran and Lisa Cook, whom an appeals court just ruled can keep her job.
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The 'clear message' Fed is sending with interest rate cut
02:46
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Sen. Booker to FBI director: ‘ You’re failing as a leader’
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